The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 08, 1995
Filed:
Oct. 06, 1992
Applicant:
Inventors:
Bruce D Caldwell, Hitchcock, TX (US);
Paul D Duncan, League City, TX (US);
Assignee:
Oceaneering International, Inc., Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F17C / ; F25D / ;
U.S. Cl.
CPC ...
62 501 ; 62 507 ; 622593 ;
Abstract
Disclosed is an apparatus for storing and delivering a liquid cryogen. The apparatus is a dewar having a rotating liquid cryogen intake, a rotating gas supply vent, and a rotating capacitance gauge. Also disclosed is a system and a process employing the system for liquefying a gas to produce a liquid cryogen in the dewar wherein the gas is subcritically cooled and then condensed in the pressure vessel of the dewar.